Global Patent Index - EP 3976338 A1

EP 3976338 A1 20220406 - APPARATUS FOR GUIDING A FILM TUBE

Title (en)

APPARATUS FOR GUIDING A FILM TUBE

Title (de)

VORRICHTUNG ZUM FÜHREN EINES FOLIENSCHLAUCHS

Title (fr)

DISPOSITIF DE GUIDAGE D'UN FILM TUBULAIRE

Publication

EP 3976338 A1 20220406 (DE)

Application

EP 19729229 A 20190603

Priority

EP 2019064386 W 20190603

Abstract (en)

[origin: WO2020244737A1] An apparatus for guiding a film tube which leaves a blown-film die and is drawn off in a production direction, having a frame (48), through which the film tube (16) can be guided in the production direction (P), and having a plurality of circumferentially distributed adjustment units (59, 60) for adjusting film-guiding elements (47) in a direction transverse to the production direction (P), wherein the adjustment units (59, 60) each have the following: a pivoting arm (50), which is fastened in a pivotable manner on the frame (48), a carrier (51) for at least one of the film-guiding elements (47), wherein the carrier (51) is connected in a pivotable manner to the pivoting arm (50), and a coupling rod (52), which is connected in a pivotable manner to the carrier (51), characterized in that at least one first adjustment unit (59) of the plurality of adjustment units has a control mechanism (53, 54), by means of which the coupling rod (52) of the at least one first adjustment unit (59) is connected in an articulated manner to the frame (48).

IPC 8 full level

B29C 48/00 (2019.01); B29C 48/10 (2019.01); B29C 48/90 (2019.01); B29C 55/28 (2006.01)

CPC (source: EP US)

B29C 48/0018 (2019.02 - EP); B29C 48/08 (2019.02 - US); B29C 48/10 (2019.02 - EP); B29C 48/355 (2019.02 - US); B29C 48/885 (2019.02 - US); B29C 48/903 (2019.02 - EP); B29C 48/907 (2019.02 - EP); B29C 55/28 (2013.01 - EP); B29C 48/0018 (2019.02 - US)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

WO 2020244737 A1 20201210; BR 112021023586 A2 20220215; CA 3142375 A1 20201210; CA 3142375 C 20231003; CN 114206581 A 20220318; CN 114206581 B 20240301; EP 3976338 A1 20220406; US 11975471 B2 20240507; US 2022297368 A1 20220922

DOCDB simple family (application)

EP 2019064386 W 20190603; BR 112021023586 A 20190603; CA 3142375 A 20190603; CN 201980097189 A 20190603; EP 19729229 A 20190603; US 201917596057 A 20190603